Fix issues reported by PHPStan

Added correct link to job

With adding the composer.json in another issue, the original issue here is gone.
A new one has appeared.

  /**
   * Gets the active domain.
   *
   * This method should be called by external classes using the negotiator
   * service.
   *
   * @param bool $reset
   *   Reset the internal cache of the active domain.
   *
   * @return \Drupal\domain\DomainInterface
   *   The active domain object.
   */
  public function getActiveDomain($reset = FALSE);

It can never be empty(), phpstan is right here :)

I understand the issue, just adding the info here for the record. So if others are having issues, they can see what happened.
Thanks for the info anyway.

There we go, all green.

Automatically closed - issue fixed for 2 weeks with no activity.